Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Utilities
3 · Sub-industry
Inside Electric Utilities
Electric Utilities · weight
1.16%
Industry change · 12M
-0.55 pp
Electric Utilities · contribution
-0.554 pp
Company participation
8%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2018 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Duke Energy → DUK | United States | $63.1bn | 0.210% | +0.023 pp | -0.104 pp | +18.1% | No |
| Southern Company → SO | United States | $48.7bn | 0.162% | +0.018 pp | -0.096 pp | +10.6% | No |
| American Electric Power → AEP | United States | $38.3bn | 0.127% | +0.013 pp | -0.066 pp | +17.2% | No |
| Edison International → EIX | United States | $18.0bn | 0.060% | -0.009 pp | -0.056 pp | -9.0% | No |
| Public Service Enterprise Group → PEG | United States | $28.3bn | 0.094% | +0.008 pp | -0.056 pp | +10.7% | No |
| Evergy → EVRG | United States | $15.6bn | 0.052% | +0.012 pp | +0.052 pp | +18.6% | Yes |
| PPL Corporation → PPL | United States | $22.0bn | 0.073% | +0.006 pp | -0.052 pp | +0.3% | No |
| Exelon → EXC | United States | $32.0bn | 0.106% | +0.009 pp | -0.044 pp | +24.6% | No |
| Eversource Energy → ES | United States | $21.7bn | 0.072% | +0.008 pp | -0.042 pp | +11.2% | No |
| WEC Energy Group → WEC | United States | $22.9bn | 0.076% | +0.007 pp | -0.040 pp | +16.6% | No |
| FirstEnergy → FE | United States | $19.3bn | 0.064% | +0.006 pp | -0.019 pp | +19.9% | No |
| Alliant Energy → LNT | United States | $10.7bn | 0.036% | +0.003 pp | -0.017 pp | +16.9% | No |
| Entergy → ETR | United States | $7.9bn | 0.026% | +0.002 pp | -0.014 pp | +15.7% | No |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.